Re: Heating issues with FreeBSD on laptop

On Mon, Sep 26, 2022 at 1:40 PM Saniya Maheshwari <saniya.mah@gmail.com>
wrote:

> Hi,
>
> I just installed FreeBSD on my laptop, and everything went smoothly,
> except one thing that my laptop seems to be a little warm and noisy (due to
> the fans) even when it's idle.
>
> Following some steps on other forums, I tried the following:
>
> $ sysctl 'hw.acpi.thermal'
>
> This gives me an 'unknown oid' error.
>
> $ sysctl -a | grep temp
>
> This gives no results.
>
> After running
>
> # kldload coretemp
>
> and retrying:
>
> $ sysctl -a | grep temperature
>
> I do get the CPU temperature values:
>
> dev.cpu.15.temperature: 51.0C
> dev.cpu.13.temperature: 50.0C
> dev.cpu.11.temperature: 50.0C
> ...
>
> All this is when the laptop is absolutely idle with just the shell running
> in the TTY. I can confirm that
>
> # top
>
> shows the same (CPU 100% idle).
>
> I'm not sure what is going wrong and would be grateful for any help.
>
> Thanks!
> Saniya
>

Hi Saniya.

Have you tried inserting

powerd_enable="YES"
powerd_flags="-a adaptive -b adaptive -n adaptive"

in /etc/rc.conf? and issue:

service powerd start

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FreeBSD since version 2.2.8 [not Pro-Audio.... YET!!]